Graphite-lubricator.



No. 800,191. Y PATENTED SEPT. 26, 1905. c. w. WEISS.

GRAPHITE LUBRIGATOR.

APPLIOATION FILED D30. 12, 1904.

ump-1% ATENT OFFICE.

CARL W. WEISS, NEW YORK, N. Y.

GRAPHITE-LUBRICATOR.

Lubricators, of which the following is a specification, reference being bad to the accompa-' nying drawings, forming apart hereof.

This invention relates to devices for feed ing automatically dry pulverized graphite for the purpose oflubricating relatively moving. parts. i

The improved device depends for itsoperation upon variation of pressure, such as oc-, curs, for example, in the cylinder or crankchamber of an engine, and the invention is therefore particularly.advantageous for thelubrication of internal-combustion engines, air-compressors, and in other like uses.

The object of the invention is to provide an apparatus which shall besir'nple,.efiicient, andreliable. under all ordinary conditions of use.

- The invention will be more fully described hereinafter with reference to the accompanying drawings, in which a convenient and practical embodiment thereof is illustrated.

In the-drawings, Figure 1 is a view in sectional elevation of an internal-combustion engine having the improved lubricator applied thereto. Fig. 2 is a sectional detail view of the lubricator on a larger scale than that of Fig. 1. Fig. 3 is a sectional detail view illustrating a different application of the invention.

For convenience in explanation of the nature of the invention the lubricator is shown, in the drawings as applied to an internal-com bustion engine of a well-known type; but it will be obvious as this description proceeds that the invention is equally applicable to internal combustion engines of other types and to various other uses as well. The engine represented in Fig. 1 of the drawings comprises, as usual, a working cylinder at, a piston 6, connected with the crank 0, and a closed crank chamber 0Z, in which the air which forms the explosive mixture is compressedduring the forward stroke of the piston and after compression is admitted to the working cylinder. As a matter of convenience in the present case the lubricator is connected to the crank-chamber'and is applied to the removable cap 6 thereof. The lubricator itself comprises a suitable receptacle for the Specification of Letters Patent.

, Patented Sept. 26, 1905.

Application filed December Q12, 1904. serialuezsaiss.

, dry pulverized graphite and suitable connections to the crank-chamber, regulating means being also provided, if desired.

As shown in Fig. 2 of the drawings, the lubricator consists of a suitable cup f, which is threaded, as at g, to engage the cap 7;. The 'cup may therefore be withdrawn readily for the purpose of refilling it with graphite when necessary. In the cap is formed a small orifice 2', through which connection is established, as at is, with the interior of the crankchamber or other chamber in which move the parts to be lubricated. If desired, a needlevalve Z may be provided for the purpose of regulating-the 'entrance and exit of air into and from the air-space above the graphite within the cup f.

The location of the lubricator and its connection with the mechanism to be lubricated maybe varied as the necessities of each particular case may require. Thus in a four-' cycle explosion-engine or an air-compressor the lubricator may be connected to the inlet valve-chamber an outside of the valve 12., as indicated in Fig. 3.

Wherever the lubricator is located and to whatever type of engine or compressor or other apparatus it may be applied, it will be understood that the graphite cup or receptae cle adapted to receive the dry graphite in its lower portion, the same being otherwise uninclosed and unconfined, is placed in communication with a chamber-such, for example, as the crank-chamber of an explosion-engine or the working cylinder or a valve-chamber in which the pressure varieswhe1'eby the currents of air or gas produced within the receptacle. as the pressure rises agitate the graphite at the surface and cause it to float in the air or gas, while in the outrush of air or gas when the pressure falls in the chamber to which the lubricator is connected the floating graphite is carried out into such chamber and is deposited upon the surface or surfaces to be lubricated.

It will be evident'not only that thelocation of the lubricator may be varied to suit diiferent conditions, but that the form and construction of the lubricator may also be varied to IIO tacle for the dry graphite, connected with the interior of the chamber by a duct, the duct leading from the chamber to a point in the upper end of the receptacle, and terminating in a downwardly-directed orifice through which orifice, on increase of pressure in the chamber, the air or gas currents enter the receptacle, and discharge downward on the graphite to cause it tofloat, and through which orifice upon a decrease of pressure the air or gas carrying floating graphite passes into the chamher.

2. A lubricating device adapted for use in connection with a chamber containing air or gas under pressure, in which the pressure of the air or gas is varied, comprising a receptacle for the dry graphite, connected with the interior of the chamber by a duct, the duct leading from the chamber to a point in the upper end of the receptacle, and terminating in a downwardly-directed orifice, through which orifice, on increase of pressure in the chamber, the air or gas currents enter the receptacle, and discharge downward on the graphite to cause it to float, and through which orifice upon a decrease of pressure the air or gas carrying floating graphite passes into the chamber and a valve controlling the orifice.

3. A lubricating device, adapted for use in connection With a chamber containing air or gas under pressure, in which the pressure of the air or gas is varied, comprising a receptacle for the dry graphite, and a cap detachably connected therewith, having a duct formed therein terminating in adownwardly-directed orifice, a valve controlling the duct carried by the cap, and means for connecting the duct With the interior of the chamber through which duct, on increase of pressure in the chamber, air or gas currents enter the receptacle, and are discharged downward on the graphite to cause it to float and through which duct upon a decrease of pressure the air or gas carrying floating graphite passes into the chamber.

This specification signed and witnessed this 9th day of December, A. D. 1904.

CARL W. \VEISS.

In presence of W. B. GREELEY, ANTHONY N. J ESBERA. 

